Cardiogenic Shock Due to Inverted-Pattern Takotsubo Syndrome Caused by Pheochromocytoma: Case Report and Literature Review.

Arq Bras Cardiol · 2026 · PMC13128190 · PMID 41880434

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14 , 15 High-sensitivity troponin elevation is moderate to high, but it is usually not as significant in proportion to the myocardial contractility deficit, unlike what is typically seen in AMI. 4 , 9 In contrast, a substantial increase in the plasma levels of B-type natriuretic peptide (BNP) and NT-proBNP is seen and appears to be directly related to the degree of sympathetic overactivation.

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